18906028035

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{432979}}^1$

素因数の和:433099

約数の個数: 32

約数和(自身を含む): 31423956480

約数和(自身を除く): 12517928445

約数列:

[1, 3, 5, 15, 41, 71, 123, 205, 213, 355, 615, 1065, 2911, 8733, 14555, 43665, 432979, 1298937, 2164895, 6494685, 17752139, 30741509, 53256417, 88760695, 92224527, 153707545, 266282085, 461122635, 1260401869, 3781205607, 6302009345, 18906028035]

約数ペア:

[(1, 18906028035), (3, 6302009345), (5, 3781205607), (15, 1260401869), (41, 461122635), (71, 266282085), (123, 153707545), (205, 92224527), (213, 88760695), (355, 53256417), (615, 30741509), (1065, 17752139), (2911, 6494685), (8733, 2164895), (14555, 1298937), (43665, 432979)]